menuitem.html
来自「API資料大全」· HTML 代码 · 共 902 行 · 第 1/3 页
HTML
902 行
<TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/awt/MenuItem.html#isEnabled()">isEnabled</A></B>()</CODE><BR> Checks whether this menu item is enabled.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../java/lang/String.html">String</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../java/awt/MenuItem.html#paramString()">paramString</A></B>()</CODE><BR> Returns the parameter string representing the state of this menu item.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected void</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/awt/MenuItem.html#processActionEvent(java.awt.event.ActionEvent)">processActionEvent</A></B>(<A HREF="../../java/awt/event/ActionEvent.html">ActionEvent</A> e)</CODE><BR> Processes action events occurring on this menu item, by dispatching them to any registered <code>ActionListener</code> objects.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected void</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/awt/MenuItem.html#processEvent(java.awt.AWTEvent)">processEvent</A></B>(<A HREF="../../java/awt/AWTEvent.html">AWTEvent</A> e)</CODE><BR> Processes events on this menu item.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/awt/MenuItem.html#removeActionListener(java.awt.event.ActionListener)">removeActionListener</A></B>(<A HREF="../../java/awt/event/ActionListener.html">ActionListener</A> l)</CODE><BR> Removes the specified action listener so it no longer receives action events from this menu item.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/awt/MenuItem.html#setActionCommand(java.lang.String)">setActionCommand</A></B>(<A HREF="../../java/lang/String.html">String</A> command)</CODE><BR> Sets the command name of the action event that is fired by this menu item.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/awt/MenuItem.html#setEnabled(boolean)">setEnabled</A></B>(boolean b)</CODE><BR> Sets whether or not this menu item can be chosen.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/awt/MenuItem.html#setLabel(java.lang.String)">setLabel</A></B>(<A HREF="../../java/lang/String.html">String</A> label)</CODE><BR> Sets the label for this menu item to the specified label.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/awt/MenuItem.html#setShortcut(java.awt.MenuShortcut)">setShortcut</A></B>(<A HREF="../../java/awt/MenuShortcut.html">MenuShortcut</A> s)</CODE><BR> Set the <code>MenuShortcut</code> object associated with this menu item.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_java.awt.MenuComponent"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from class java.awt.<A HREF="../../java/awt/MenuComponent.html">MenuComponent</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../java/awt/MenuComponent.html#dispatchEvent(java.awt.AWTEvent)">dispatchEvent</A>, <A HREF="../../java/awt/MenuComponent.html#getFont()">getFont</A>, <A HREF="../../java/awt/MenuComponent.html#getName()">getName</A>, <A HREF="../../java/awt/MenuComponent.html#getParent()">getParent</A>, <A HREF="../../java/awt/MenuComponent.html#getPeer()">getPeer</A>, <A HREF="../../java/awt/MenuComponent.html#getTreeLock()">getTreeLock</A>, <A HREF="../../java/awt/MenuComponent.html#postEvent(java.awt.Event)">postEvent</A>, <A HREF="../../java/awt/MenuComponent.html#removeNotify()">removeNotify</A>, <A HREF="../../java/awt/MenuComponent.html#setFont(java.awt.Font)">setFont</A>, <A HREF="../../java/awt/MenuComponent.html#setName(java.lang.String)">setName</A>, <A HREF="../../java/awt/MenuComponent.html#toString()">toString</A></CODE></TD></TR></TABLE> <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from class java.lang.<A HREF="../../java/lang/Object.html">Object</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../java/lang/Object.html#clone()">clone</A>, <A HREF="../../java/lang/Object.html#equals(java.lang.Object)">equals</A>, <A HREF="../../java/lang/Object.html#finalize()">finalize</A>, <A HREF="../../java/lang/Object.html#getClass()">getClass</A>, <A HREF="../../java/lang/Object.html#hashCode()">hashCode</A>, <A HREF="../../java/lang/Object.html#notify()">notify</A>, <A HREF="../../java/lang/Object.html#notifyAll()">notifyAll</A>, <A HREF="../../java/lang/Object.html#wait()">wait</A>, <A HREF="../../java/lang/Object.html#wait(long)">wait</A>, <A HREF="../../java/lang/Object.html#wait(long, int)">wait</A></CODE></TD></TR></TABLE> <P><!-- ============ FIELD DETAIL =========== --><!-- ========= CONSTRUCTOR DETAIL ======== --><A NAME="constructor_detail"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Constructor Detail</B></FONT></TD></TR></TABLE><A NAME="MenuItem()"><!-- --></A><H3>MenuItem</H3><PRE>public <B>MenuItem</B>()</PRE><DL><DD>Constructs a new MenuItem with an empty label and no keyboard shortcut.<DD><DL><DT><B>Since: </B><DD>JDK1.1</DD></DL></DD></DL><HR><A NAME="MenuItem(java.lang.String)"><!-- --></A><H3>MenuItem</H3><PRE>public <B>MenuItem</B>(<A HREF="../../java/lang/String.html">String</A> label)</PRE><DL><DD>Constructs a new MenuItem with the specified label and no keyboard shortcut. Note that use of "-" in a label is reserved to indicate a separator between menu items. By default, all menu items except for separators are enabled.<DD><DL><DT><B>Parameters:</B><DD><CODE>label</CODE> - the label for this menu item.<DT><B>Since: </B><DD>JDK1.0</DD></DL></DD></DL><HR><A NAME="MenuItem(java.lang.String, java.awt.MenuShortcut)"><!-- --></A><H3>MenuItem</H3><PRE>public <B>MenuItem</B>(<A HREF="../../java/lang/String.html">String</A> label, <A HREF="../../java/awt/MenuShortcut.html">MenuShortcut</A> s)</PRE><DL><DD>Create a menu item with an associated keyboard shortcut. Note that use of "-" in a label is reserved to indicate a separator between menu items. By default, all menu items except for separators are enabled.<DD><DL><DT><B>Parameters:</B><DD><CODE>label</CODE> - the label for this menu item.<DD><CODE>s</CODE> - the instance of <code>MenuShortcut</code> associated with this menu item.<DT><B>Since: </B><DD>JDK1.1</DD></DL></DD></DL><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Method Detail</B></FONT></TD></TR></TABLE><A NAME="addNotify()"><!-- --></A><H3>addNotify</H3><PRE>public void <B>addNotify</B>()</PRE><DL><DD>Creates the menu item's peer. The peer allows us to modify the appearance of the menu item without changing its functionality.<DD><DL></DL></DD></DL><HR><A NAME="getLabel()"><!-- --></A><H3>getLabel</H3><PRE>public <A HREF="../../java/lang/String.html">String</A> <B>getLabel</B>()</PRE><DL><DD>Gets the label for this menu item.<DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>the label of this menu item, or <code>null</code>if this menu item has no label.<DT><B>Since: </B><DD>JDK1.0</DD><DT><B>See Also: </B><DD><A HREF="../../java/awt/MenuItem.html#setLabel(java.lang.String)"><CODE>setLabel(java.lang.String)</CODE></A></DL></DD></DL><HR><A NAME="setLabel(java.lang.String)"><!-- --></A><H3>setLabel</H3><PRE>public void <B>setLabel</B>(<A HREF="../../java/lang/String.html">String</A> label)</PRE><DL><DD>Sets the label for this menu item to the specified label.<DD><DL></DL></DD><DD><DL><DT><B>Parameters:</B><DD><CODE>label</CODE> - the new label, or <code>null</code> for no label.<DT><B>Since: </B><DD>JDK1.0</DD><DT><B>See Also: </B><DD><A HREF="../../java/awt/MenuItem.html#getLabel()"><CODE>getLabel()</CODE></A></DL></DD></DL><HR><A NAME="isEnabled()"><!-- --></A><H3>isEnabled</H3><PRE>public boolean <B>isEnabled</B>()</PRE><DL><DD>Checks whether this menu item is enabled.<DD><DL></DL></DD><DD><DL><DT><B>Since: </B><DD>JDK1.0</DD><DT><B>See Also: </B><DD><A HREF="../../java/awt/MenuItem.html#setEnabled(boolean)"><CODE>setEnabled(boolean)</CODE></A></DL></DD></DL><HR><A NAME="setEnabled(boolean)"><!-- --></A><H3>setEnabled</H3><PRE>public void <B>setEnabled</B>(boolean b)</PRE><DL><DD>Sets whether or not this menu item can be chosen.<DD><DL></DL></DD><DD><DL><DT><B>Parameters:</B><DD><CODE>b</CODE> - if <code>true</code>, enables this menu item; if <code>false</code>, disables it.<DT><B>Since: </B><DD>JDK1.1</DD><DT><B>See Also: </B><DD><A HREF="../../java/awt/MenuItem.html#isEnabled()"><CODE>isEnabled()</CODE></A></DL></DD></DL><HR><A NAME="enable()"><!-- --></A><H3>enable</H3><PRE>public void <B>enable</B>()</PRE><DL><DD><B>Deprecated.</B> <I>As of JDK version 1.1, replaced by <code>setEnabled(boolean)</code>.</I><P><DD><DL></DL></DD></DL><HR><A NAME="enable(boolean)"><!-- --></A><H3>enable</H3><PRE>public void <B>enable</B>(boolean b)</PRE><DL><DD><B>Deprecated.</B> <I>As of JDK version 1.1, replaced by <code>setEnabled(boolean)</code>.</I><P><DD><DL></DL></DD></DL><HR><A NAME="disable()"><!-- --></A><H3>disable</H3><PRE>public void <B>disable</B>()</PRE><DL><DD><B>Deprecated.</B> <I>As of JDK version 1.1, replaced by <code>setEnabled(boolean)</code>.</I><P><DD><DL></DL></DD></DL><HR><A NAME="getShortcut()"><!-- --></A><H3>getShortcut</H3><PRE>public <A HREF="../../java/awt/MenuShortcut.html">MenuShortcut</A> <B>getShortcut</B>()</PRE><DL><DD>Get the <code>MenuShortcut</code> object associated with this menu item,<DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>the menu shortcut associated with this menu item, or <code>null</code> if none has been specified.<DT><B>Since: </B><DD>JDK1.1</DD><DT><B>See Also: </B><DD><A HREF="../../java/awt/MenuItem.html#setShortcut(java.awt.MenuShortcut)"><CODE>setShortcut(java.awt.MenuShortcut)</CODE></A></DL></DD></DL><HR>
⌨️ 快捷键说明
复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?